Home / 156,217.73-215,580.04-84,597.73

Finding the Fourth Proportional to 156,217.73, 215,580.04 and 84,597.73

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Solution

The fourth proportional to 156,217.73, 215,580.04 and 84,597.73 is: 116,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.73 : 215,580.04 = 84,597.73 : x
  2. Step 2: Convert to fraction form
    156,217.73/215,580.04 = 84,597.73/x
  3. Step 3: Cross multiply
    156,217.73x = 215,580.04 × 84,597.73
  4. Step 4: Simplify right side
    156,217.73x = 18,237,582,717.43
  5. Step 5: Solve for x
    x = 18,237,582,717.43/156,217.73
  6. Step 6: Final answer
    x = 116,744.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.